fungus mtg commander deck / EDH decks — Slimefoot, the Stowaway Custom Commander

Its great card advantage, and you can easily pair this with some green background like Master Chef or Raised by Giants for some good old healthy Simic creature fun

Then it brings a 5/5 token to the battlefield with it, so that's strong just generally

The additional burn effects on Collective Defiance are also useful for removing Creatures and closing out the game

Opera Love Song plays perfectly with the prowess package, acting as a split card if the caster needs extra fuel or wants to end the game with a burst of surprise damage on two separate creatures

You can then give Boo three +1/+1 counters or choose to sacrifice him for direct damage to your opponent, based on Boo's power all while being able to bring him back on your next upkeep

Any player who has controlled a permanent with a hideaway ability since a card was exiled with it may look at that card